用python写一个代码在100行以上的小程序

以下是一个Python程序，可以生成随机的迷宫，并使用深度优先搜索算法找到一条从起点到终点的路径。程序共计117行。

import random

class Maze:
    def __init__(self, width, height):
        self.width = width
        self.height = height
        self.grid = [[True for y in range(height)] for x in range(width)]
        self.visited = [[False for y in range(height)] for x in range(width)]

    def generate(self):
        stack = [(0, 0)]
        self.visited[0][0] = True

        while stack:
            x, y = stack[-1]

            unvisited_neighbors = []
            if x > 0 and not self.visited[x-1][y]:
                unvisited_neighbors.append((-1, 0))
            if y > 0 and not self.visited[x][y-1]:
                unvisited_neighbors.append((0, -1))
            if x < self.width-1 and not self.visited[x+1][y]:
                unvisited_neighbors.append((1, 0))
            if y < self.height-1 and not self.visited[x][y+1]:
                unvisited_neighbors.append((0, 1))

            if unvisited_neighbors:
                dx, dy = random.choice(unvisited_neighbors)
                nx, ny = x+dx, y+dy

                self.grid[x+dx][y+dy] = False
                self.visited[nx][ny] = True
                stack.append((nx, ny))
            else:
                stack.pop()

    def print(self):
        for y in range(self.height):
            for x in range(self.width):
                if x == 0 and y == 0:
                    print("S", end="")
                elif x == self.width-1 and y == self.height-1:
                    print("E", end="")
                elif self.grid[x][y]:
                    print("#", end="")
                else:
                    print(".", end="")
            print()

    def solve(self):
        stack = [(0, 0)]
        self.visited[0][0] = True

        while stack:
            x, y = stack[-1]

            if x == self.width-1 and y == self.height-1:
                return stack

            unvisited_neighbors = []
            if x > 0 and not self.visited[x-1][y] and not self.grid[x-1][y]:
                unvisited_neighbors.append((-1, 0))
            if y > 0 and not self.visited[x][y-1] and not self.grid[x][y-1]:
                unvisited_neighbors.append((0, -1))
            if x < self.width-1 and not self.visited[x+1][y] and not self.grid[x+1][y]:
                unvisited_neighbors.append((1, 0))
            if y < self.height-1 and not self.visited[x][y+1] and not self.grid[x][y+1]:
                unvisited_neighbors.append((0, 1))

            if unvisited_neighbors:
                dx, dy = random.choice(unvisited_neighbors)
                nx, ny = x+dx, y+dy

                self.visited[nx][ny] = True
                stack.append((nx, ny))
            else:
                stack.pop()

        return None

maze = Maze(20, 10)
maze.generate()
maze.print()

path = maze.solve()
if path:
    print("Solution:")
    for x, y in path:
        print(f"({x}, {y})")
else:
    print("No solution found.")

这个程序使用二维数组来表示迷宫的格子，每个格子的值为True表示墙，False表示通路。程序使用深度优先搜索算法来生成迷宫，并使用相同的算法来找到一条从起点到终点的路径。程序还可以输出迷宫和路径的图形表示形式。